P K De & Associates Private Limited
B. L.- 97, Sector No. 2, Salt Lake City
Kolkata- 700091, West Bengal (India)
Drillers & Engineers
32A/47, Suren Sarkar Road
Kolkata- 700010, West Bengal (India)
Geo Solution Pro Services Private Limited
Jabakusum House, 34 Chittaranjan Avenue
Kolkata- 700012, West Bengal (India)